M.J. Patel [india] limited offers finned tubes. M.J. Patel [india] limited manufactures seamless carbon/alloy steel pipes and tubes, erw boiler tubes, air pre-heater tubes including corten steel tubes, steam pipes and fittings, boiler components like superheater coils, economiser coils, steam generating bent to shape tubes, panels heaters, pipework for steam, feed waterline. Finned tubes is used for gas-liquid heat exchange, where the film coefficient ratio is above 2.